Outage in Twilio
SMS Delivery Delays From a Subset of Twilio Short Codes to AT&T United States
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced SMS delivery delays from a subset of short codes to AT&T network subscribers in the United States for 1.8 hours. The issue affected SMS Short Code services in North America, with engineers working with carrier partners to resolve the problem. The incident was resolved after investigation determined the impact was limited to a small set of customers who were contacted individually.
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS Short Code, North AmericaNeed to monitor Twilio outages?
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Latest Updates ( sorted recent to last )
RESOLVED
about 4 hours ago - at 03/17/2026 04:06PM
We have fully investigated the SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.
INVESTIGATING
about 4 hours ago - at 03/17/2026 03:25PM
We continue experiencing SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
INVESTIGATING
about 5 hours ago - at 03/17/2026 02:25PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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